<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="../js/jquery-1.8.3.js" ></script>
</head>
<body>
	<script type="text/javascript">
		$(function(){
			$("#btn").click(function(){
				$.post("${pageContext.request.contextPath }/item/test.action",function(data){
					alert(JSON.stringify(data))
					alert(JSON.stringify(data))
					
				})
			})
		})
		
	</script>

<form action="${pageContext.request.contextPath }/item/test.action" method="post">
	
	<button id="btn" value="查询"></button>
	
</form>
</body>
</html>